Danfoss Heating cables in concrete Operating guide
Installation Guide
Heating cables in concrete
Concrete >3 cm
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Table of contents
1 Introduction . . . . . . . . . . . . . . . . . . . . 2
1.1 Safety Instructions . . . . . . . . . . . . . . .2
1.2 Installation guidelines . . . . . . . . . . . . .4
2 Installation step by step . . . . . . . . . . . . . 5
2.1 Calculating C-C distance for heating cables
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
2.2 Planning the installation . . . . . . . . . . .5
2.3 Preparing the installation area. . . . . . . .6
3 Installing elements . . . . . . . . . . . . . . . . 6
3.1 Installing heating elements. . . . . . . . . .8
3.2 Sensor Installation . . . . . . . . . . . . . . .8
4 Indoor applications . . . . . . . . . . . . . . . . 9
4.1 Floor heating in concrete oors (> 3 cm) .9
5 Optional settings . . . . . . . . . . . . . . . . 10
1 Introduction
In this installation manual, the word “element” refers
to both heating cables and heating mats.
If the words “heating cable” or “heating mat” are
used, the instruction in question applies only to this
type of element.
All dimensioning, product selection, installation
and commissioning of any given application are the
responsibility of an authorized installer.
Any application using heating elements or thermostats purchased by end user must be approved by an
authorized electrician prior to commissioning.
• Including type, size, installation and connection
of the heating element.
• Including type, size, connection and settings
of the thermostat controlling the heating
element.
• Children shall not play with the heating
element.
• This heating element can be used by children
aged from 8 years and above and persons with
reduced physical, sensory or mental capabilities
or lack of experience and knowledge if they
have been given supervision or instruction
concerning use of the appliance in a safe way
and understand the hazards involved.
• Cleaning and user maintenance shall not be
made by children without supervision.
The intended use of the heating elements covered
by this installation manual is oor heating, only.
• According to IEC 60335 the mats may not be
installed in a metallic oor or storage heating
application.
• Mats shall be fully embedded in at least 5 mm
concrete, screed, tile adhesive or similar. incl. tiles
1.1 Safety Instructions
Never cut or shorten the heating element
!
1
2
3
4
5
6
7
• Cutting the heating element will void the
warranty.
• Cold leads can be shortened to suit requirements.
Elements must always be installed according to
local building regulations and wiring rules as well
as the guidelines in this installation manual.
• Any other installation may hamper element
functionality or constitute a safety risk, and will
void the warranty.
Elements must always be connected by an
authorised electrician using a xed connection.
• De-energize all power circuits before installation and service.
• Each heating element screen must be earthed
in accordance with local electricity regulations
and connected to a residual current device
(RCD).
• RCD trip rating is max. 30 mA.
• Heating elements must be connected via a
switch providing all pole disconnection.
• The element must be equipped with a correctly
sized fuse or circuit breaker according to local
regulations.
1. Heating cable
2. Thermostat
3. Sensor
4. Screen
5. RCD
6. All-pole switch
7. Fuse
The presence of a heating mat must
• be made evident by axing caution signs or
markings at the power connection ttings and/
or frequently along the circuit line where clearly
visible
• be stated in any electrical documentation
following the installation.
Connections
• Phase - Brown
• Neutral - Blue
• Earth - Screen
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